2girls, ^ ^, animal ears, bed, black hair, blanket, brown hair, closed eyes, collared shirt, eishin flash (umamusume), grey pants, grey shirt, holding, holding marker, horse ears, indoors, kogomiza, laughing, long hair, long sleeves, marker, multiple girls, open mouth, pajamas, pants, pink shirt, poster (object), saliva, shirt, short hair, sleep mask, sleeping, smart falcon (umamusume), umamusume, under covers